qt tutorial - part 1
TRANSCRIPT
Qt is a registered product of Digia
Intro to QtGUI programming with C++
by Đức Phạm
Organized by
Đức Phạm
Email: [email protected]
Bachelor of IT since 2009
Linux enthusiast
Worked in Gameloft and now is East Agile
Interest in Game and Web development
History
Developed by Trolltech
Acquired by Nokia
Commercial license took over by Digia
In a nutshell
Qt is ‘cute’
Cross-platform GUI library for the C++
programming language
A complete interface environment with support
for Webkit API, media streamer, file system
browser, OpenGL API, etc.
VLC 2.x running in Windows, OS X 10.7
and Debian Linux
In a nutshell (continue)
Support embedded Linux
Smart phones: Maemo, Meego, etc.
Electronic devices: Car, TV, etc.
Feature road map including support for
popular mobile platforms such as
Android and iOS.
Legal stuff
Qt offers three licenses:
GPL v3
lGPL
Digia commercial license
Installation
Official download: http://qt-project.org/downloads
Official IDE: QtCreator
Visual Studio add-in
Debian repository:
sudo apt-get install qtcreator qtcreator-dbg
Technical features
Customized precompiler: signal and slot
Technical features (continue)
Signals don’t need to be implemented, but
rather called
Signals and slots can be connected:
Regardless of which object
Many-many relationship
Could be disconnected
Technical features (continue)
Features the parent-child relationship
A child widget when created could reference to
a parent widget. This allows:
Hierarchy search: findChild() and
findChildren()
Chain destructor on parent de-allocating
Tech demo
Qt in the world
Industrial
Skype
VirtualBox
Maya
Opera
Various embedded software
Qt in the world (continue)
KDE
Complete desktop environment in Qt
Including the Plasma Window manager
Projects including Office Applications
Development suite: Kdevelop
Common desktop applications
Further references
http://qt-project.org/doc/qt-4.8/
http://www.youtube.com/user/VoidRealms
http://www.kde.org/developerplatform/
http://qt-apps.org/
Questions?
Thank you!